How many times the average speed of the molecules in a gas becomes when the temperature is raised fr — States of Matter and Gaseous State Chemistry Question
Question
How many times the average speed of the molecules in a gas becomes when the temperature is raised from 27°C to 159°C?
Answer: A
💡 Solution & Explanation
average speed is directly ∝ √t. t1 = 27 + 273 = 300 k. t2 = 159 + 273 = 432 k. ratio of average speeds = √(t2 / t1) = √(432 / 300) = √1.44 = 1.2.
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